Table 4.

Effects of star anise, essential oil, and leavings on carcass traits of broilers.¹

Items	Control	Star anise	Essential oil	Leavings	SEM	P-value
Live weight, g	2,425.6b	2,480.5a	2,485.9a	2,429.6b	19.033	0.026
Carcass weight (including organs), g	2,255.8b	2,309.3a	2,319.3a	2,257.1b	18.332	0.005
Half chamber weight, g	2,105.4	2,150.6	2,155.3	2,116.2	19.567	0.056
Eviscerated weight, g	1,688.2	1,733.9	1,752.6	1,698.3	25.116	0.093
Breast muscle weight, g	479.3	491.9	494.7	482.7	13.959	0.703
Thigh muscle weight, g	364.7b	376.6a,b	382.4a	364.1b	7.656	0.042
Carcass yield (including organs), %	93.00	93.10	93.30	92.90	0.239	0.667
Half chamber rate, %	86.80	86.70	86.70	87.10	0.482	0.931
Eviscerated rate, %	69.60	69.90	70.50	69.90	0.942	0.914
Brest muscle rate, %	28.39	28.37	28.23	28.42	0.630	0.997
Thigh muscle rate, %	21.60	21.72	21.82	21.44	0.520	0.959

^a-bMeans within a row with different letters differ significantly (P < 0.05).

¹Data are means for 8 replicates per treatment.